From a rag named Popular Photography....
2. Does droplet size matter?
On an inkjet, droplet sizes can be as small as 1 picoliter (one trillionth
of a liter) for dye-based inks and 1.5 picoliters for pigment-based inks.
The combination of printer head and ink determines how small a droplet a
printer can produce. The smaller the droplet, the greater the resolution of
the print. Small droplets also let you produce finer tonal gradations and
highlight details with fewer inks.
But, unless you inspect printswith a loupe, you probably dont need to worry
much about droplet size once you go below about 4 picoliters. Factors such
as paper type and image processing are more likely to determine how smooth
and detailed your prints look.
Tom C.
Also... apparently a printer may vary the droplet size it spits out based on
the detail that is required in a given part of an image.
Tom C.
"I will not be pushed, filed, stamped, indexed, briefed, debriefed or
numbered."
From: Jack Davis <[EMAIL PROTECTED]>
Reply-To: Pentax-Discuss Mail List <pdml@pdml.net>
To: Pentax-Discuss Mail List <pdml@pdml.net>
Subject: Re: Printer Recommendations?
Date: Thu, 17 Aug 2006 12:01:39 -0700 (PDT)
Wouldn't detail be further compromised by larger droplets?
These are just rhetorical reactions to a series of curiosities.
There has to be a definitive answer lurking somewhere.
Jack
--- Brendan MacRae <[EMAIL PROTECTED]> wrote:
> I read something one time about the way different
> papers react to droplet size. The finish either repels
> or absorbs the inks differently. So, smaller droplets
> would spread reducing detail in some papers.
>
> -Brendan
>
> --- Jack Davis <[EMAIL PROTECTED]> wrote:
>
> > I've always been curious as to whether there were a
> > direct connection
> > between droplet size and printer resolution. AEBE,
> > it seems smaller ink
> > droplets would equal finer printed detail.(?)
> > What are the paper considerations?
> >
> > Jack
> >
> > --- Brendan MacRae <[EMAIL PROTECTED]>
> > wrote:
> >
> > > Hum, not sure that smaller droplets always
> > translate
> > > to print detail. The paper is a big variable here.
> > > However, that's interesting, too. The 2400 has a
> > huge
> > > following, I know, but it's too small for what I
> > want
> > > to do.
> > >
> > > -Brendan
> > >
> > > --- Jack Davis <[EMAIL PROTECTED]> wrote:
> > >
> > > > In keeping with my severe resolution hang-up,
> > I've
> > > > noted that the R1800
> > > > advertises having the smallest ink droplets in
> > the
> > > > industry, 1.5
> > > > picoliters. The R2400, 3.5 picoliters, but
> > produces
> > > > "superior" B&W
> > > > prints.
> > > > This is my total offering on the subject.
> > > >
> > > > Jack
> > > >
> > > > --- Brendan MacRae <[EMAIL PROTECTED]>
> > > > wrote:
> > > >
> > > > > I'm going to be putting my digital darkroom
> > > > together
> > > > > soon and I've decided on everything but the
> > > > printer at
> > > > > this point.
> > > > >
> > > > > I want a large format ink jet and have been
> > > > looking at
> > > > > Canon and Epson. Both of the 17" wide $1800
> > > > printers
> > > > > have gotten good reviews. I'm leaning toward
> > the
> > > > Epson
> > > > > since I know a designer who owns an older
> > model
> > > > that
> > > > > produces amazing prints. I've never seen
> > anything
> > > > from
> > > > > a Canon.
> > > > >
> > > > > Also, does anyone else use the ColorVision
> > Print
> > > > Fix
> > > > > Pro suite? +'s? -'s?
> > > > >
> > > > > Thanks.
> > > > >
> > > > > -Brendan
> > > > >
> > > > >
> > > > >
> > > > >
> > __________________________________________________
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